Important Attributes	Description
`email`	The email address of the customer who made the referral.
`referral_code`	Object has information about their overall referral stats. Useful for including an overview in an email.
`referral_code.completed_referral_customers`	An array of customers they have referred so far.
`referred_customer.email`	The email address of the customer they referred.
`referred_customer.first_name`	The first name of the customer they referred.
`perk.reward_points`	If referrer earned points, this is how many.
`redemption.reward_text`	If referrer earned a coupon, this is the coupon code.
`redemption_option.name`	If referrer earned a coupon, this is the discount name.

{
    "topic": "swell/referral/completed",
    "name": "Swell Referral Completed",
    "perk": {
        "id": 9,
        "campaign_id": 7,
        "merchant_id": 1,
        "customer_id": 139,
        "reward_points": 500,
        "completed": true,
        "completed_at": "2016-10-15T16:02:56.142Z",
        "awarded": true,
        "awarded_at": "2016-10-15T16:02:56.142Z",
        "pending": false,
        "reversed": false,
        "reversed_at": null,
        "expired": false,
        "expired_at": null,
        "expires_at": null,
        "redemption_option_id": null,
        "history_title": "Refer a friend",
        "created_at": "2016-10-15T16:02:56.125Z"
    },
    "email": "john.smith@gmail.com",
    "referrer": {
        "total_spend_cents": 0,
        "total_purchases": 0,
        "perks_redeemed": 3,
        "last_purchase_at": null,
        "email": "john.smith@gmail.com",
        "referred_by": "jane.smith@gmail.com",
        "points_earned": 5700,
        "points_balance": 5200,
        "points_expire_at": null,
        "first_name": "John",
        "last_name": "Smith",
        "last_seen_at": "2016-10-15T16:01:40.000Z",
        "third_party_id": "4302977345",
        "referral_code": {
            "code": "117yu4g",
            "shares": 0,
            "facebook_shares": 0,
            "twitter_shares": 0,
            "email_shares": 0,
            "emails_sent": 0,
            "emails_viewed": 0,
            "links_clicked_from_email": 0,
            "links_clicked_from_twitter": 0,
            "links_clicked_from_facebook": 0,
            "orders": 0,
            "amount_cents": 0,
            "average_amount_cents": 0,
            "expires_at": null,
            "expired": false,
            "completed_referral_customers": [{
                "email": "sally.jane@gmail.com",
                "first_name": "Sally",
                "last_name": "Jane",
                "referral_points_contributed": 0,
                "last_seen_at": "2016-10-15T16:02:51.000Z"
            }],
            "email": "john.smith@gmail.com",
            "unique_clicks": 1,
            "total_clicks": 1
        }
    },
    "referral_code": {
        "id": 139,
        "code": "117yu4g",
        "campaign_id": 7,
        "clicks": 1,
        "invalid_clicks": 0,
        "customer_id": 139,
        "shares": 0,
        "facebook_shares": 0,
        "twitter_shares": 0,
        "email_shares": 0,
        "emails_sent": 0,
        "emails_viewed": 0,
        "links_clicked": 1,
        "links_clicked_from_email": 0,
        "links_clicked_from_twitter": 0,
        "links_clicked_from_facebook": 0,
        "orders": 0,
        "amount_cents": 0,
        "average_amount_cents": 0,
        "expires_at": null,
        "expired": false,
        "target_referrals": null,
        "customer": {
            "id": 139,
            "user_id": null,
            "merchant_id": 1,
            "total_purchases": 0,
            "perks_redeemed": 3,
            "last_purchase_at": null,
            "is_member": false,
            "email": "john.smith@gmail.com",
            "referred_by": "jane.smith@gmail.com",
            "name": null,
            "total_spend_cents": 0,
            "subscribed": true,
            "email_sent_count": 0,
            "email_opened_count": 0,
            "email_clicked_count": 0,
            "email_bounced_count": 0,
            "email_soft_bounced_count": 0,
            "email_rejected_count": 0,
            "email_unsubscribed_count": 0,
            "email_marked_as_spam_count": 0,
            "email_delayed_count": 0,
            "points_earned": 5700,
            "points_balance": 5200,
            "source": "store_account",
            "points_expiration_job_id": null,
            "points_expire_at": null,
            "first_name": "John",
            "last_name": "Smith",
            "prettyTotalSpend": "$0",
            "last_seen_at": "2016-10-15T16:01:40.000Z"
        },
        "completed_referral_customers": [{
            "email": "sally.jane@gmail.com",
            "first_name": "Sally",
            "last_name": "Jane",
            "referral_points_contributed": 0,
            "last_seen_at": "2016-10-15T16:02:51.000Z"
        }],
        "email": "john.smith@gmail.com"
    },
    "referred_customer": {
        "total_spend_cents": 2500,
        "total_purchases": 1,
        "perks_redeemed": 5,
        "last_purchase_at": "2016-10-15T16:02:51.000Z",
        "email": "sally.jane@gmail.com",
        "referred_by": "john.smith@gmail.com",
        "points_earned": 450,
        "points_balance": 450,
        "points_expire_at": null,
        "first_name": "Sally",
        "last_name": "Jane",
        "last_seen_at": "2016-10-15T16:02:51.000Z",
        "third_party_id": "4303221377",
        "referral_code": {
            "code": "77jspfy",
            "shares": 0,
            "facebook_shares": 0,
            "twitter_shares": 0,
            "email_shares": 0,
            "emails_sent": 0,
            "emails_viewed": 0,
            "links_clicked_from_email": 0,
            "links_clicked_from_twitter": 0,
            "links_clicked_from_facebook": 0,
            "orders": 0,
            "amount_cents": 0,
            "average_amount_cents": 0,
            "expires_at": null,
            "expired": false,
            "completed_referral_customers": [],
            "email": "sally.jane@gmail.com",
            "unique_clicks": 0,
            "total_clicks": 0
        }
    }
}